参考文献

Kaminskii, V. A.; Kruglyakova, N. V.; Mal'tsev, I. I.; Tilichenko, M. N. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1981 , vol. 17, # 1 p. 77 - 80 Khimiya Geterotsiklicheskikh Soedinenii, 1981 , # 1 p. 95 - 98